Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
85 mi (137 km)
Bearing
222.2°
Terrain
BLOCKED
Propagation
79/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
155.2
dB
Gaseous (O₂+H₂O)
1.0
dB
Diffraction loss
104.4
dB
TOTAL PATH LOSS
260.5
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 14.6 g/m³
Power Budget
TX Power
20.0
dBm
(100.0 mW)
TX Ant Gain
30.0
dBi
Feed Loss (×2)
-2.0
dB
EIRP
48.0
dBm
Path Loss (w/FF)
-260.5
dB
RX Ant Gain
30.0
dBi
RX Power
-182.5
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-42.5
dB
Path Weather Avg
Temperature
71.5°F
21.9°C
Dewpoint
63.3°F
17.4°C
T/Td Gap
8.1°F
Abs Humidity
14.6 g/m³
Pressure
986.2 mb
PWAT
23.5 mm
BL Depth
253.2 m
Refrac Gradient
-147.4 N/km
Propagation Factors · 10 GHz
Rain
100
Humidity
95
PWAT
90
T-Td Depression
85
Pressure
82
Refractivity
82
Season
68
Time of Day
55
Sky Cover
50
Wind
50
Atmospheric Profile
HRRR (3 km) Valid 2026-05-15 08:00 UTC 9 path samples| Point | Lat, Lon | Temp | Dewpt | Press | HPBL | PWAT | Ns | dN/dh |
|---|---|---|---|---|---|---|---|---|
| Source | 34.0, -95.6 | 21.0°C | 17.8°C | 990.7 mb | 288.6 m | 25.7 mm | 353.0 | -128.9 |
| 13% | 33.9, -95.7 | 20.5°C | 18.2°C | 994.5 mb | 227.5 m | 26.9 mm | 353.2 | -147.4 |
| 25% | 33.8, -95.9 | 21.4°C | 17.3°C | 990.1 mb | 256.3 m | 23.9 mm | 345.2 | -102.0 |
| 38% | 33.7, -96.0 | 21.4°C | 17.6°C | 990.7 mb | 253.3 m | 23.5 mm | 347.5 | -86.4 |
| Midpoint | 33.6, -96.1 | 21.4°C | 18.0°C | 990.2 mb | 244.3 m | 22.9 mm | 346.7 | -100.8 |
| 63% | 33.5, -96.2 | 22.1°C | 17.6°C | 986.2 mb | 254.9 m | 22.4 mm | 348.0 | -125.9 |
| 75% | 33.4, -96.4 | 22.6°C | 17.1°C | 986.2 mb | 250.2 m | 22.0 mm | 345.4 | -122.6 |
| 88% | 33.2, -96.5 | 22.9°C | 17.0°C | 988.8 mb | 237.3 m | 21.9 mm | 344.2 | -123.5 |
| Destination | 33.1, -96.6 | 24.1°C | 16.0°C | 987.4 mb | 266.6 m | 22.0 mm | 339.6 | -91.5 |
Midpoint vertical profile
18-Hour Propagation Forecast · 10 GHz
→ Steady
Best:
84
at 08:00 UTC
Worst:
70
at 22:00 UTC